1//
2// ip/impl/address.ipp
3// ~~~~~~~~~~~~~~~~~~~
4//
5// Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
6//
7// Distributed under the Boost Software License, Version 1.0. (See accompanying
8// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9//
10
11#ifndef BOOST_ASIO_IP_IMPL_ADDRESS_IPP
12#define BOOST_ASIO_IP_IMPL_ADDRESS_IPP
13
14#if defined(_MSC_VER) && (_MSC_VER >= 1200)
15# pragma once
16#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
17
18#include <boost/asio/detail/config.hpp>
19#include <typeinfo>
20#include <boost/asio/detail/throw_error.hpp>
21#include <boost/asio/detail/throw_exception.hpp>
22#include <boost/asio/error.hpp>
23#include <boost/asio/ip/address.hpp>
24#include <boost/system/system_error.hpp>
25
26#include <boost/asio/detail/push_options.hpp>
27
28namespace boost {
29namespace asio {
30namespace ip {
31
32address::address()
33 : type_(ipv4),
34 ipv4_address_(),
35 ipv6_address_()
36{
37}
38
39address::address(const boost::asio::ip::address_v4& ipv4_address)
40 : type_(ipv4),
41 ipv4_address_(ipv4_address),
42 ipv6_address_()
43{
44}
45
46address::address(const boost::asio::ip::address_v6& ipv6_address)
47 : type_(ipv6),
48 ipv4_address_(),
49 ipv6_address_(ipv6_address)
50{
51}
52
53address::address(const address& other)
54 : type_(other.type_),
55 ipv4_address_(other.ipv4_address_),
56 ipv6_address_(other.ipv6_address_)
57{
58}
59
60#if defined(BOOST_ASIO_HAS_MOVE)
61address::address(address&& other)
62 : type_(other.type_),
63 ipv4_address_(other.ipv4_address_),
64 ipv6_address_(other.ipv6_address_)
65{
66}
67#endif // defined(BOOST_ASIO_HAS_MOVE)
68
69address& address::operator=(const address& other)
70{
71 type_ = other.type_;
72 ipv4_address_ = other.ipv4_address_;
73 ipv6_address_ = other.ipv6_address_;
74 return *this;
75}
76
77#if defined(BOOST_ASIO_HAS_MOVE)
78address& address::operator=(address&& other)
79{
80 type_ = other.type_;
81 ipv4_address_ = other.ipv4_address_;
82 ipv6_address_ = other.ipv6_address_;
83 return *this;
84}
85#endif // defined(BOOST_ASIO_HAS_MOVE)
86
87address& address::operator=(const boost::asio::ip::address_v4& ipv4_address)
88{
89 type_ = ipv4;
90 ipv4_address_ = ipv4_address;
91 ipv6_address_ = boost::asio::ip::address_v6();
92 return *this;
93}
94
95address& address::operator=(const boost::asio::ip::address_v6& ipv6_address)
96{
97 type_ = ipv6;
98 ipv4_address_ = boost::asio::ip::address_v4();
99 ipv6_address_ = ipv6_address;
100 return *this;
101}
102
103boost::asio::ip::address_v4 address::to_v4() const
104{
105 if (type_ != ipv4)
106 {
107 std::bad_cast ex;
108 boost::asio::detail::throw_exception(ex);
109 }
110 return ipv4_address_;
111}
112
113boost::asio::ip::address_v6 address::to_v6() const
114{
115 if (type_ != ipv6)
116 {
117 std::bad_cast ex;
118 boost::asio::detail::throw_exception(ex);
119 }
120 return ipv6_address_;
121}
122
123std::string address::to_string() const
124{
125 if (type_ == ipv6)
126 return ipv6_address_.to_string();
127 return ipv4_address_.to_string();
128}
129
130std::string address::to_string(boost::system::error_code& ec) const
131{
132 if (type_ == ipv6)
133 return ipv6_address_.to_string(ec);
134 return ipv4_address_.to_string(ec);
135}
136
137address address::from_string(const char* str)
138{
139 boost::system::error_code ec;
140 address addr = from_string(str, ec);
141 boost::asio::detail::throw_error(ec);
142 return addr;
143}
144
145address address::from_string(const char* str, boost::system::error_code& ec)
146{
147 boost::asio::ip::address_v6 ipv6_address =
148 boost::asio::ip::address_v6::from_string(str, ec);
149 if (!ec)
150 {
151 address tmp;
152 tmp.type_ = ipv6;
153 tmp.ipv6_address_ = ipv6_address;
154 return tmp;
155 }
156
157 boost::asio::ip::address_v4 ipv4_address =
158 boost::asio::ip::address_v4::from_string(str, ec);
159 if (!ec)
160 {
161 address tmp;
162 tmp.type_ = ipv4;
163 tmp.ipv4_address_ = ipv4_address;
164 return tmp;
165 }
166
167 return address();
168}
169
170address address::from_string(const std::string& str)
171{
172 return from_string(str.c_str());
173}
174
175address address::from_string(const std::string& str,
176 boost::system::error_code& ec)
177{
178 return from_string(str.c_str(), ec);
179}
180
181bool address::is_loopback() const
182{
183 return (type_ == ipv4)
184 ? ipv4_address_.is_loopback()
185 : ipv6_address_.is_loopback();
186}
187
188bool address::is_unspecified() const
189{
190 return (type_ == ipv4)
191 ? ipv4_address_.is_unspecified()
192 : ipv6_address_.is_unspecified();
193}
194
195bool address::is_multicast() const
196{
197 return (type_ == ipv4)
198 ? ipv4_address_.is_multicast()
199 : ipv6_address_.is_multicast();
200}
201
202bool operator==(const address& a1, const address& a2)
203{
204 if (a1.type_ != a2.type_)
205 return false;
206 if (a1.type_ == address::ipv6)
207 return a1.ipv6_address_ == a2.ipv6_address_;
208 return a1.ipv4_address_ == a2.ipv4_address_;
209}
210
211bool operator<(const address& a1, const address& a2)
212{
213 if (a1.type_ < a2.type_)
214 return true;
215 if (a1.type_ > a2.type_)
216 return false;
217 if (a1.type_ == address::ipv6)
218 return a1.ipv6_address_ < a2.ipv6_address_;
219 return a1.ipv4_address_ < a2.ipv4_address_;
220}
221
222} // namespace ip
223} // namespace asio
224} // namespace boost
225
226#include <boost/asio/detail/pop_options.hpp>
227
228#endif // BOOST_ASIO_IP_IMPL_ADDRESS_IPP
229

source code of boost/boost/asio/ip/impl/address.ipp